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Earthquake breaking news, Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.8 mag strikes near Nuku`alofa in Tonga

Posted by admin on November 12, 2017 0 Comments

Earthquake location -20.7236S, -175.3068WA light earthquake magnitude 4.8 (ml/mb) has struck on Saturday, 46 kilometers (29 miles) from Nuku`alofa in Tonga. The temblor was picked up at 19:01:54 / 7:01 pm (local time epicenter). Global time and date of event 12/11/17 / 2017-11-12 07:01:54 / November 12, 2017 @ 7:01 am UTC/GMT. The earthquake occurred at a depth of 23.73 km (15 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Event id: us2000bm8u. Ids that are associated to the earthquake: us2000bm8u. Exact location, longitude -175.3068° West, latitude -20.7236° South, depth = 23.73 km.

Nearest cities/city/towns to hypocenter/epicentrum was ‘Ohonua, Nuku‘alofa (min 5000 pop). Nearby country/countries, Tonga (c. 123 000 pop) (That might be effected). Event epicenter was 47 km (30 miles) from Nuku‘alofa (c. 22 400 pop), 77 km (48 miles) from ‘Ohonua (c. 1 200 pop).

In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days four and in the last 365 days seventeen earthquakes of magnitude 3.0 or greater that was reported nearby. Every year there are an estimated 13,000 light earthquakes in the world. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

Questions or comments?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking and damage at your home, city and country. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 46 km NNW of Nuku`alofa, Tonga. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.8 mb The magnitude for the event.
Longitude -175.3068° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -20.7236° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 23.73 km Depth of the event in kilometers.
Place 46km NNW of Nuku`alofa, Tonga Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-11-12 07:01:54 Time when the event occurred. UTC/GMT
Updated 2017-11-12 07:42:00 Time when the event was most recently updated. UTC/GMT
Timezone offset -720 Timezone offset from UTC in minutes at the event epicenter.
Felt 6 The total number of felt reports
CDI 2.7 The maximum reported intensity for the event.
MMI The maximum estimated instrumental intensity for the event.
Alert Level The alert level from the PAGER earthquake impact scale. Green, Yellow, Orange or Red.
Review Status reviewed Indicates whether the event has been reviewed by a human.
Tsunami 0 This flag is set to "1" for large events in oceanic regions and "0" otherwise. The existence or value of this flag does not indicate if a tsunami actually did or will exist.
SIG 356 A number describing how significant the event is. Larger numbers indicate a more significant event.
Network us The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,us, A comma-separated list of network contributors.
Number of Stations Used The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 5.32 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.74 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 62 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type mb The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID us2000bm8u Id of event.
Event Code 2000bm8u An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000bm8u, A comma-separated list of event ids that are associated to an event.

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